Home / 20,130,731.04-30,174,375.51-9,883,673.76

Finding the Fourth Proportional to 20,130,731.04, 30,174,375.51 and 9,883,673.76

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Solution

The fourth proportional to 20,130,731.04, 30,174,375.51 and 9,883,673.76 is: 14,814,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,731.04 : 30,174,375.51 = 9,883,673.76 : x
  2. Step 2: Convert to fraction form
    20,130,731.04/30,174,375.51 = 9,883,673.76/x
  3. Step 3: Cross multiply
    20,130,731.04x = 30,174,375.51 × 9,883,673.76
  4. Step 4: Simplify right side
    20,130,731.04x = 298,233,683,452,573.62
  5. Step 5: Solve for x
    x = 298,233,683,452,573.62/20,130,731.04
  6. Step 6: Final answer
    x = 14,814,846.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.